CA2196025A1 - Groove configuration for a putter type golf club head - Google Patents
Groove configuration for a putter type golf club headInfo
- Publication number
- CA2196025A1 CA2196025A1 CA002196025A CA2196025A CA2196025A1 CA 2196025 A1 CA2196025 A1 CA 2196025A1 CA 002196025 A CA002196025 A CA 002196025A CA 2196025 A CA2196025 A CA 2196025A CA 2196025 A1 CA2196025 A1 CA 2196025A1
- Authority
- CA
- Canada
- Prior art keywords
- grooves
- club head
- golf club
- type golf
- putter type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0487—Heads for putters
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0441—Heads with visual indicators for aligning the golf club
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0445—Details of grooves or the like on the impact surface
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Golf Clubs (AREA)
Abstract
A putter type golf club having a series of V-shaped grooves positioned immediately adjacent each other forming outermost ball gripping edges which grip a golf ball when the ball is struck by the putter.
Description
:~ I 9 ~ D~ S
BACRGROOND AND BUMMARY OF THE INVENTION
The present invention relates to putter type golf club heads and, in particular, to putters having an improved groove configuration on the ball striking face.
Most putters are provided with a smooth ball striking face without grooves. Typically, wood and iron type golf club heads are provided with grooves on the ball striking face to engage the ball and create spin for more consistent shot control . The maj ority of these types of clubs use U-shaped or V-shaped groove configurations which are spaced and have a f lat surf ace between the grooves . Other groove configurations of interest are shown in U.S. Patent No. 5,029,864 to Keener, which relates to a groove configuration for an iron type golf club head having V-shaped grooves including a normal and contact face to provide improved backspin. Another patent of interest is U.S. Patent No. 1,289,553 to Sanders, which shows an iron type golf club head with a raised groove configuration triangular in cross section. Still another patent of interest is U. S. Patent No. 1, 532, 545 to Peterson, which shows a curbed ball striking face with a sawtooth groove configuration.
JJ:in 1 219~f~~a The present invention relates to a putter type golf club head having an improved groove configuration formed longitudinally across the ball striking face in a heel to toe direction wherein each of the grooves are symmetrical, each with the other, and are triangular in cross section with the opposed sides of each V-groove being identical in length and angle. The grooves form a series of triangular grooves which are perpendicular to the ball striking face. The angle of each of the sides forming the groove may be shallow or deep, as long as the side angles are identical. The outer edges of the grooves may be pointed, slightly rounded, or flattened.
The groove configuration of the invention creates a gripping action on the ball and, as with the aforementioned co-pending application, eliminates the need for different putter face lofts, thereby making a single putter adaptable to any putting surface.
Among the objects of the present invention is the provision of a putter type golf club head having an improved groove configuration to impart more control to a golf ball when it is struck at a target.
Another object is the provision of a groove configuration on a putter type golf club head forming an outwardly projecting surface which grips the ball when it is struck.
Another object is the provision of a putter type groove configuration which eliminates the need for different lofted putters for different putting surfaces.
BACRGROOND AND BUMMARY OF THE INVENTION
The present invention relates to putter type golf club heads and, in particular, to putters having an improved groove configuration on the ball striking face.
Most putters are provided with a smooth ball striking face without grooves. Typically, wood and iron type golf club heads are provided with grooves on the ball striking face to engage the ball and create spin for more consistent shot control . The maj ority of these types of clubs use U-shaped or V-shaped groove configurations which are spaced and have a f lat surf ace between the grooves . Other groove configurations of interest are shown in U.S. Patent No. 5,029,864 to Keener, which relates to a groove configuration for an iron type golf club head having V-shaped grooves including a normal and contact face to provide improved backspin. Another patent of interest is U.S. Patent No. 1,289,553 to Sanders, which shows an iron type golf club head with a raised groove configuration triangular in cross section. Still another patent of interest is U. S. Patent No. 1, 532, 545 to Peterson, which shows a curbed ball striking face with a sawtooth groove configuration.
JJ:in 1 219~f~~a The present invention relates to a putter type golf club head having an improved groove configuration formed longitudinally across the ball striking face in a heel to toe direction wherein each of the grooves are symmetrical, each with the other, and are triangular in cross section with the opposed sides of each V-groove being identical in length and angle. The grooves form a series of triangular grooves which are perpendicular to the ball striking face. The angle of each of the sides forming the groove may be shallow or deep, as long as the side angles are identical. The outer edges of the grooves may be pointed, slightly rounded, or flattened.
The groove configuration of the invention creates a gripping action on the ball and, as with the aforementioned co-pending application, eliminates the need for different putter face lofts, thereby making a single putter adaptable to any putting surface.
Among the objects of the present invention is the provision of a putter type golf club head having an improved groove configuration to impart more control to a golf ball when it is struck at a target.
Another object is the provision of a groove configuration on a putter type golf club head forming an outwardly projecting surface which grips the ball when it is struck.
Another object is the provision of a putter type groove configuration which eliminates the need for different lofted putters for different putting surfaces.
2 Other objects and advantages of the present invention will become apparent from the following detailed description when viewed in conjunction with the accompanying drawings, which set forth certain embodiments of the invention.
3 219~~2~
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 shows a perspective view of a putter type golf club head having a groove configuration in accordance with the present invention.
Figure 2 is a partial sectional view taken along the lines 2-2 of Figure 1 showing the groove configuration of the invention.
Figure 3 is a partial sectional view of a second embodiment of a groove configuration in accordance with the present invention.
Figure 4 is a partial sectional view of a third embodiment of a groove configuration in accordance with the present invention.
Figure 5 is a partial sectional view of a fourth embodiment of a groove configuration in accordance with the present invention.
Figure 6 is a partial sectional view of a fifth embodiment of a groove configuration in accordance with the present invention.
Figure 7 is a partial sectional view of a sixth embodiment of a groove configuration in accordance with the present invention.
Figure 8 is a partial sectional view of a seventh embodiment of a groove configuration in accordance with the present invention.
Figure 9 is a partial sectional view of an eighth embodiment of a groove configuration in accordance with the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 shows a perspective view of a putter type golf club head having a groove configuration in accordance with the present invention.
Figure 2 is a partial sectional view taken along the lines 2-2 of Figure 1 showing the groove configuration of the invention.
Figure 3 is a partial sectional view of a second embodiment of a groove configuration in accordance with the present invention.
Figure 4 is a partial sectional view of a third embodiment of a groove configuration in accordance with the present invention.
Figure 5 is a partial sectional view of a fourth embodiment of a groove configuration in accordance with the present invention.
Figure 6 is a partial sectional view of a fifth embodiment of a groove configuration in accordance with the present invention.
Figure 7 is a partial sectional view of a sixth embodiment of a groove configuration in accordance with the present invention.
Figure 8 is a partial sectional view of a seventh embodiment of a groove configuration in accordance with the present invention.
Figure 9 is a partial sectional view of an eighth embodiment of a groove configuration in accordance with the present invention.
4 219~fl~~
DESCRIPTION OF THE PREFERRED EMBODIMENTS
The detailed embodiments of the present invention are disclosed herein. It should be understood, however, that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, the details disclosed herein are not to be interpreted as limited, but merely as the basis for the claims and as a basis for teaching one skilled in the art how to make and/or use the invention.
Referring to the drawings, Fige. 1 and 2 show a putter type golf club head i0 including a hoses 12 and shaft 14, partially shown, and club head body 16. The club head body 16 is a conventional mallet head design and includes a heel 18, toe 20 and a planar ball striking face 22. A series of parallel grooves 24 are formed in the ball striking face 22 in a heel 18 to toe 20 direction. In the preferred embodiment shown, the grooves 24 extend ail the way between the heel 18 and toe 20 and extend from a bottom leading edge 17 to a point just below a top surface 19 on the putter head 16. The grooves 24 are located immediately adjacent each other and have outermost gripping edges 30 which are common to adjoining grooves 24. Each of the grooves 24 have a common size and configuration such that all the grooves are identical to the others.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
The detailed embodiments of the present invention are disclosed herein. It should be understood, however, that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, the details disclosed herein are not to be interpreted as limited, but merely as the basis for the claims and as a basis for teaching one skilled in the art how to make and/or use the invention.
Referring to the drawings, Fige. 1 and 2 show a putter type golf club head i0 including a hoses 12 and shaft 14, partially shown, and club head body 16. The club head body 16 is a conventional mallet head design and includes a heel 18, toe 20 and a planar ball striking face 22. A series of parallel grooves 24 are formed in the ball striking face 22 in a heel 18 to toe 20 direction. In the preferred embodiment shown, the grooves 24 extend ail the way between the heel 18 and toe 20 and extend from a bottom leading edge 17 to a point just below a top surface 19 on the putter head 16. The grooves 24 are located immediately adjacent each other and have outermost gripping edges 30 which are common to adjoining grooves 24. Each of the grooves 24 have a common size and configuration such that all the grooves are identical to the others.
5 Referring to the partial sectional view of Fig. 2, in this embodiment, each groove 24 is V-shaped and is formed with a pair of flat wall surfaces 28 disposed at an angle with respect to the planar ball striking face 22 and which wall surfaces 28 are of identical size and are mirror images of each other. Similarly, the wall surfaces 28 of adjoining grooves 24 are identical in size and angular orientation. The wall surfaces 28 form an angle of ninety degrees at the bottom 27 of the groove 24. Each wall surface 28 likewise is oriented at an angle of forty five degrees with a line perpendicular to the planar ball striking face 22. Thus, it can be seen that each groove is cut or otherwise formed in the ball striking face 22 in a saw-tooth configuration whereby each groove 24 is identical with the others.
It will be appreciated that whereas the groove configuration of the present invention is shown on a mallet type putter, it is equally applicable to a wide variety of putter shapes and sizes and that the grooves may extend greater or lesser distances in the heel to toe and bottom leading edge to the top surface directions, the only requirement being that the grooves be formed on the ball striking face 22 in the area where a golf ball would normally be struck with putter 10 when a golfer executes a putting stroke.
Figs. 3 through 9 show various embodiments of groove configurations used on putter heads in accordance with the present invention. It will be appreciated that the features of putter heads not shown and using the various groove configurations in Figures 3 through 9 may be essentially the same as that described with respect to Fig. 1.
It will be appreciated that whereas the groove configuration of the present invention is shown on a mallet type putter, it is equally applicable to a wide variety of putter shapes and sizes and that the grooves may extend greater or lesser distances in the heel to toe and bottom leading edge to the top surface directions, the only requirement being that the grooves be formed on the ball striking face 22 in the area where a golf ball would normally be struck with putter 10 when a golfer executes a putting stroke.
Figs. 3 through 9 show various embodiments of groove configurations used on putter heads in accordance with the present invention. It will be appreciated that the features of putter heads not shown and using the various groove configurations in Figures 3 through 9 may be essentially the same as that described with respect to Fig. 1.
6 ~~9~~~~
Fig. 3 illustrates an embodiment of a groove configuration.
including a plurality of parallel grooves 124 having wall surfaces 128 formed at a 90 degree angle with respect to each other as with the embodiment described hereinabove. In this embodiment, the outermost ball gripping edges 130 of the grooves 124 are rounded and form a less sharp gripping edge for engaging a golf ball.
Fig. 4 illustrates a third embodiment of a groove configuration including a plurality of grooves 224 having wall surfaces 228 formed a~ a sharper angle, preferably 50 degrees with respect to each other. Outermost ball gripping edges 230 are also pointed, but at a sharper angle to engage a golf ball when struck by a putter made in accordance with the present invention.
Fig. 5 shows a fourth embodiment of a groove configuration including a plurality of parallel grooves 324 having wall surfaces 328 disposed at an angle of 50 degrees and which include rounded outermost ball gripping edges 330.
Fig. 6 illustrates a fifth embodiment of a groove configuration in accordance with the present invention including a series of grooves 424 having wall surfaces 428 disposed at an angle of at least 50 degrees with respect to each other and include a flat surface 429 on outermost ball gripping edges 430. The flat surfaces 429 of the edges 430 are narrower than the full width of the groove 424.
Fig. 7 illustrates a sixth embodiment of a groove configuration in accordance with the present invention including a series of grooves 524 having parabolic shaped wall surfaces 528 and rounded outermost ball gripping edges 530.
.7 Fig. 8 illustrates a seventh embodiment of a groove configuration in accordance with the present invention including a series of grooves 624 which extend beyond the planar surface of the ball striking face 622. The grooves 624 have flat wall surfaces 628 and rounded outermost ball gripping edges 630.
Fig. 9 illustrates an eighth embodiment of a groove configuration in accordance with the present invention including a series of grooves 724 which extend byond the planar ball striking face 722. The grooves have parabolic wall surfaces 728 terminating in rounded outermoseball gripping edges 730.
While various preferred embodiments have been shown and described, it will be understood that there is no intent to limit the invention by such disclosure. For example, the depth of the grooves may vary as well as the angle of the groove wall surfaces.
Therefore, the patent is intended to cover all modifications and alternate constructions falling within the spirit and scope of the following claims.
Fig. 3 illustrates an embodiment of a groove configuration.
including a plurality of parallel grooves 124 having wall surfaces 128 formed at a 90 degree angle with respect to each other as with the embodiment described hereinabove. In this embodiment, the outermost ball gripping edges 130 of the grooves 124 are rounded and form a less sharp gripping edge for engaging a golf ball.
Fig. 4 illustrates a third embodiment of a groove configuration including a plurality of grooves 224 having wall surfaces 228 formed a~ a sharper angle, preferably 50 degrees with respect to each other. Outermost ball gripping edges 230 are also pointed, but at a sharper angle to engage a golf ball when struck by a putter made in accordance with the present invention.
Fig. 5 shows a fourth embodiment of a groove configuration including a plurality of parallel grooves 324 having wall surfaces 328 disposed at an angle of 50 degrees and which include rounded outermost ball gripping edges 330.
Fig. 6 illustrates a fifth embodiment of a groove configuration in accordance with the present invention including a series of grooves 424 having wall surfaces 428 disposed at an angle of at least 50 degrees with respect to each other and include a flat surface 429 on outermost ball gripping edges 430. The flat surfaces 429 of the edges 430 are narrower than the full width of the groove 424.
Fig. 7 illustrates a sixth embodiment of a groove configuration in accordance with the present invention including a series of grooves 524 having parabolic shaped wall surfaces 528 and rounded outermost ball gripping edges 530.
.7 Fig. 8 illustrates a seventh embodiment of a groove configuration in accordance with the present invention including a series of grooves 624 which extend beyond the planar surface of the ball striking face 622. The grooves 624 have flat wall surfaces 628 and rounded outermost ball gripping edges 630.
Fig. 9 illustrates an eighth embodiment of a groove configuration in accordance with the present invention including a series of grooves 724 which extend byond the planar ball striking face 722. The grooves have parabolic wall surfaces 728 terminating in rounded outermoseball gripping edges 730.
While various preferred embodiments have been shown and described, it will be understood that there is no intent to limit the invention by such disclosure. For example, the depth of the grooves may vary as well as the angle of the groove wall surfaces.
Therefore, the patent is intended to cover all modifications and alternate constructions falling within the spirit and scope of the following claims.
Claims (12)
1. A putter type golf club head, having a loft of four degrees, or less, including a club head body with a heel, toe, planar ball striking face, upper surface and bottom surface including a leading edge, wherein the improvement comprises:
a series of grooves having outermost ball gripping edges and a groove bottom, formed in said planar ball striking face;
each of said grooves extending in a heel to toe direction;
each of said grooves being positioned immediately adjacent an other corresponding groove; said outermost ball gripping edges of a groove being common to immediately adjacent grooves on either side thereof; each of said grooves being further defined by a common size and configuration.
a series of grooves having outermost ball gripping edges and a groove bottom, formed in said planar ball striking face;
each of said grooves extending in a heel to toe direction;
each of said grooves being positioned immediately adjacent an other corresponding groove; said outermost ball gripping edges of a groove being common to immediately adjacent grooves on either side thereof; each of said grooves being further defined by a common size and configuration.
2. The putter type golf club head of claim 1 wherein said grooves are further defined by a pair of groove wall surfaces; said groove wall surfaces of each groove being a mirror image of the other; and, said groove wall surfaces of each groove being identical in orientation and size to the groove wall surfaces of adjacent grooves.
3. The putter type golf club head of claim 2 wherein said groove wall surfaces are flat and disposed at an angle with respect to said planar ball striking face.
4. The putter type golf club head of claim 3, wherein said grooves are V-shaped and said outermost ball gripping edges form a point.
5. The putter type golf club head of claim 3, wherein said grooves are V-shaped and said outermost ball gripping edges are rounded.
6. The putter type golf club head of claim 1, wherein said grooves are V-shaped and said outermost ball gripping edges include a flat surface; said flat surface being less than the distance between centers of adjoining grooves.
7. The putter type golf club head of claim 2, wherein said wall surfaces are disposed at an angle of 90 degrees with respect to each other.
8. The putter type golf club head of claim 2, wherein said wall surfaces are disposed at an angle of at least fifty degrees with respect to each other.
9. The putter type golf club head of claim 1, wherein each of said grooves are each parallel to the others in a sawtooth configuration and extend in a heel to toe direction.
10. The putter type golf club head of claim 2 wherein said grooves extend outwardly beyond said planar ball striking face.
11. The putter type golf club head of claim 2 wherein said wall surfaces are non-linear.
12. The putter type golf club head of claim 11 wherein said wall surfaces are parabolic in shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US655,827 | 1996-05-31 | ||
| US08/655,827 US5709616A (en) | 1996-05-31 | 1996-05-31 | Groove configuration for a putter type golf club head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2196025A1 true CA2196025A1 (en) | 1997-12-01 |
Family
ID=24630534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002196025A Abandoned CA2196025A1 (en) | 1996-05-31 | 1997-01-27 | Groove configuration for a putter type golf club head |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5709616A (en) |
| AU (1) | AU1247297A (en) |
| CA (1) | CA2196025A1 (en) |
| GB (1) | GB2313552B (en) |
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|---|---|---|---|---|
| USRE48977E1 (en) * | 2008-08-07 | 2022-03-22 | Karsten Manufacturing Corporation | Grooves of golf club heads and methods to manufacture grooves of golf club heads |
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| WO2001087427A1 (en) * | 2000-05-16 | 2001-11-22 | Norman Matheson Lindsay | Golf-putters |
| GB2364651B (en) * | 2000-05-16 | 2002-08-14 | Norman Matheson Lindsay | Golf-putters |
| CA2364776A1 (en) * | 2000-12-27 | 2002-06-27 | Chris Chappell | Hign spin golf club groove configuration |
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| US8523703B2 (en) * | 2011-08-22 | 2013-09-03 | Guerin Design Putter Co, LLC | Putter type golf club head with improved ball striking face configuration |
| US9144717B2 (en) | 2011-08-23 | 2015-09-29 | Nike, Inc. | Putter heads and putters |
| CN103930177B (en) | 2011-09-30 | 2017-03-08 | 卡斯腾制造公司 | The method of the groove of the groove of glof club head and manufacture glof club head |
| US8684860B2 (en) | 2012-03-02 | 2014-04-01 | Callaway Golf Company | Putter face insert |
| US9050509B2 (en) * | 2012-04-03 | 2015-06-09 | Karsten Manufacturing Corporation | Golf club heads and methods of manufacturing golf club heads |
| JP5981208B2 (en) | 2012-04-24 | 2016-08-31 | ブリヂストンスポーツ株式会社 | Forming method and golf club head |
| US8979667B1 (en) | 2013-05-31 | 2015-03-17 | The University Of Tulsa | Golf putter head |
| US9943735B2 (en) | 2014-07-16 | 2018-04-17 | Guerin D. Rife | Putter face with variable sized ball contact land areas |
| JP6661614B2 (en) | 2014-08-26 | 2020-03-11 | カーステン マニュファクチュアリング コーポレーション | Club head with various groove parameters and related methods |
| US9844709B2 (en) | 2015-09-24 | 2017-12-19 | Acushnet Company | Golf club striking surface |
| US20170113101A1 (en) * | 2015-10-23 | 2017-04-27 | Toru Kamatari | Striking face of golf putter |
| US9889353B2 (en) | 2015-10-28 | 2018-02-13 | Tru2Sports Llc | Groove pattern for a putter head |
| US11161020B2 (en) | 2016-12-19 | 2021-11-02 | Karsten Manufacturing Corporation | Localized milled golf club face |
| US10857430B2 (en) | 2016-12-19 | 2020-12-08 | Karsten Manufacturing Corporation | Localized milled golf club face |
| GB2571496B (en) | 2016-12-19 | 2022-04-27 | Karsten Mfg Corp | Localized milled golf club face |
| US11420099B2 (en) | 2017-01-19 | 2022-08-23 | Guerin D. Rife | Putter striking face configuration to progressively reduce dispersion |
| US10912973B2 (en) | 2017-04-10 | 2021-02-09 | Guerin D. Rife | Weighted golf grip |
| USD928261S1 (en) | 2019-11-15 | 2021-08-17 | Karsten Manufacturing Corporation | Golf club head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US732137A (en) * | 1903-02-21 | 1903-06-30 | Frederick W Taylor | Golf-club. |
| US1289553A (en) * | 1916-03-25 | 1918-12-31 | Archibald H Sanders | Golf-club. |
| US1337958A (en) * | 1919-08-23 | 1920-04-20 | Spalding & Bros Ag | Golf-club |
| US1532545A (en) * | 1923-12-11 | 1925-04-07 | Walter B Pedersen | Golf club |
| GB294389A (en) * | 1927-08-18 | 1928-07-26 | Francis Tullius Fay Carr | Improvements in and connected with golf clubs |
| US1743957A (en) * | 1927-08-18 | 1930-01-14 | Carr Francis Tullius Fay | Golf club |
| GB611826A (en) * | 1946-05-09 | 1948-11-04 | Archibald Frederick Hockey | Improvements in golf clubs |
| US4413825A (en) * | 1977-03-25 | 1983-11-08 | Sasse Howard A | Golf club |
| US4461482A (en) * | 1982-08-24 | 1984-07-24 | Savo Bojicic | Multiple impact putter |
| US4529203A (en) * | 1982-09-01 | 1985-07-16 | Ribaudo Nicholas A | Golf club |
| US4858929A (en) * | 1987-06-24 | 1989-08-22 | Macgregor Golf Company | Golf irons |
| US4964641A (en) * | 1990-01-26 | 1990-10-23 | Diversified Metal Incorporated | Golf club with electrical discharge machined face |
| US5029864A (en) * | 1990-06-11 | 1991-07-09 | Keener Michael B | Golf club head with grooved striking face |
| US5193806A (en) * | 1992-05-05 | 1993-03-16 | Burkly Alfred J | Low-flight spin control chipper-putter golf clubhead |
| KR950002637Y1 (en) * | 1992-06-11 | 1995-04-12 | 마종남 | Head for golf putter |
| GB9420733D0 (en) * | 1994-10-14 | 1994-11-30 | Swash Harold | Golf clubs |
| US5531439A (en) * | 1995-08-25 | 1996-07-02 | Azzarella; Charles W. | Golf putter |
-
1996
- 1996-05-31 US US08/655,827 patent/US5709616A/en not_active Expired - Lifetime
-
1997
- 1997-01-27 CA CA002196025A patent/CA2196025A1/en not_active Abandoned
- 1997-02-04 AU AU12472/97A patent/AU1247297A/en not_active Abandoned
- 1997-02-20 GB GB9703549A patent/GB2313552B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE48977E1 (en) * | 2008-08-07 | 2022-03-22 | Karsten Manufacturing Corporation | Grooves of golf club heads and methods to manufacture grooves of golf club heads |
Also Published As
| Publication number | Publication date |
|---|---|
| US5709616A (en) | 1998-01-20 |
| GB9703549D0 (en) | 1997-04-09 |
| GB2313552B (en) | 1998-09-23 |
| AU1247297A (en) | 1997-12-04 |
| GB2313552A (en) | 1997-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |